(1/4)
Latest Great Lakes Marine Forecast by KBUF
Issued 3/12/2026 4:03 PM America/New_York.
Valid through 3/12/2026 11:00 PM America/New_York.
fzus61 kbuf 122003
glflo
expires:202603130300;;561684
open lake forecast for lake ontario
national weather service buffalo ny
403 pm edt thu mar 12 2026
for waters beyond five nautical miles of shore on lake ontario
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
.synopsis...a 30.1 inch high will build into the ohio valley and
lower great lakes this evening before drifting to the eastern
seaboard friday. a 29.0 inch low will then move from the upper great
lakes friday morning to the ottawa valley friday night while
weakening to 29.4 inches. this low will continue east to the
canadian maritimes saturday as a 30.3 inch high builds into the
lower great lakes. a 30.3 inch high will then ridge across the lake
saturday night, before moving east of the lake sunday. meanwhile, a
29.5 inch surface low over the mid mississippi valley sunday morning
will track northeastward and deepen to 28.9 inches just to the west
of the lake monday morning, before pushing northeastward across
quebec through the remainder of monday and tuesday. this low will
sweep a strong cold front across the lake monday afternoon, with a
30.3 inch high then building across the great lakes and ohio valley
tuesday.
loz062-130300-
lake ontario open waters from the niagara river to hamlin beach-
403 pm edt thu mar 12 2026
...gale warning in effect from friday afternoon through saturday
morning...
.tonight...northwest winds 15 to 20 knots becoming southwest 5 to
15 knots. waves 3 to 6 feet subsiding to 1 to 2 feet.
.friday...southeast winds 10 to 15 knots becoming southwest and
increasing to 35 knot gales in the afternoon. snow in the
morning, then rain and snow in the afternoon. waves 1 to 2 feet
building to 8 to 11 feet. waves occasionally around 14 feet.
.friday night...southwest gales to 40 knots becoming west to
35 knots. a chance of rain and snow showers. waves 11 to 16 feet
subsiding to 10 to 15 feet. waves occasionally around 20 feet.
.saturday...west gales to 35 knots diminishing to 15 to 25 knots.
a chance of snow showers in the morning. waves 11 to 15 feet
subsiding to 4 to 7 feet. waves occasionally around 19 feet.
.saturday night...west winds 15 to 20 knots becoming east 5 to
15 knots. a chance of snow showers overnight. waves 3 to 5 feet
subsiding to 1 to 3 feet.
.sunday...east winds 15 to 25 knots becoming southeast to
30 knots. snow showers with a chance of rain showers during the
day, then a chance of rain and snow showers sunday night. waves
3 to 5 feet building to 5 to 9 feet. waves occasionally around
11 feet.
.monday...south winds to 30 knots becoming west and increasing to
40 knot gales. rain showers during the day, then rain showers
with a chance of snow showers monday night. waves 5 to 8 feet
building to 12 to 17 feet. waves occasionally around 22 feet.
.tuesday...west gales to 35 knots diminishing to 15 to 25 knots.
a chance of snow showers. waves 10 to 15 feet subsiding to 6 to
9 feet. waves occasionally around 19 feet.
$$
(2/4)
Latest Great Lakes Marine Forecast by KDTX
Issued 3/12/2026 4:00 PM America/New_York.
Valid through 3/13/2026 12:00 AM America/New_York.
fzus63 kdtx 122000
glflh
expires:202603130400;;561453
open lake forecast for lake huron
national weather service detroit/pontiac mi
400 pm edt thu mar 12 2026
for waters beyond five nautical miles off shore on lake huron
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
.synopsis...a brief ridge of high pressure, 30.10 inches, holds
over the great lakes through the evening. a strong low pressure
system, 29.10 inches, then enters northern lower michigan and
central lake huron tomorrow morning. this will bring widespread
gales to the great lakes. a gale warning is in effect. the low
quickly moves out friday night with high pressure building back
in on saturday.
lhz462>464-130400-
lake huron from port austin to harbor beach beyond 5nm off shore-
lake huron from harbor beach to port sanilac beyond 5nm off shore-
lake huron from port sanilac to port huron beyond 5nm off shore-
400 pm edt thu mar 12 2026
...gale warning in effect from late tonight through late friday
night...
.tonight...northwest winds 5 to 10 knots backing to the southeast
after midnight...then increasing to 15 to 20 knots with gusts to
around 30 knots early in the morning. a chance of snow after
midnight. snow may be heavy at times after midnight. waves 2 to
4 feet subsiding to 1 to 3 feet after midnight...then building to
4 to 6 feet early in the morning. waves occasionally around
8 feet.
.friday...southeast winds to 30 knots with gusts to 45 knot gales
becoming southwest 20 to 25 knots with gusts to 35 knot gales in
the afternoon. snow and rain in the morning...then rain in the
afternoon. waves 10 to 14 feet. waves occasionally around
18 feet.
.friday night...west winds 20 to 25 knots becoming northwest at
35 knot gales by midnight...then decreasing to 30 knots after
midnight. gusts to 45 knot gales decreasing to 35 knot gales
after midnight. a chance of rain and snow in the evening. waves
10 to 14 feet. waves occasionally around 18 feet. a gale warning
may be needed.
.saturday...northwest winds 20 to 25 knots with gusts to around
30 knots decreasing to 5 to 10 knots. waves 6 to 9 feet subsiding
to 3 to 5 feet early in the afternoon. waves occasionally around
12 feet.
.saturday night...north winds 5 to 10 knots veering to the east
by midnight...then becoming southeast 10 to 15 knots after
midnight. a chance of snow after midnight. waves 2 to 4 feet
subsiding to 1 to 3 feet by midnight...then building to 2 to
4 feet after midnight.
.sunday...east winds 15 to 20 knots with gusts to around 30 knots
increasing to 20 to 25 knots with gusts to around 30 knots late
in the morning...then increasing to 30 knots with gusts to
40 knot gales late in the afternoon becoming south at 35 knot
gales with gusts to 40 knot gales late in the evening. snow in
the morning. rain. waves 6 to 9 feet building to 12 to 16 feet
late in the afternoon. waves occasionally around 20 feet. a gale
warning may be needed.
.monday...south at 35 knot gales veering to the west . gusts to
40 knot gales. rain with snow and freezing rain likely early in
the morning...then a chance of snow and rain . waves 12 to
16 feet. waves occasionally around 20 feet.
.tuesday...west at 35 knot gales with gusts to 40 knot gales
decreasing to 15 to 20 knots. waves 12 to 16 feet subsiding to
3 to 5 feet. waves occasionally around 20 feet.
$$
(3/4)
Latest Great Lakes Marine Forecast by KDTX
Issued 3/12/2026 4:00 PM America/New_York.
Valid through 3/13/2026 12:00 AM America/New_York.
fzus63 kdtx 122000
glflh
expires:202603130400;;561451
open lake forecast for lake huron
national weather service detroit/pontiac mi
400 pm edt thu mar 12 2026
for waters beyond five nautical miles off shore on lake huron
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
.synopsis...a brief ridge of high pressure, 30.10 inches, holds
over the great lakes through the evening. a strong low pressure
system, 29.10 inches, then enters northern lower michigan and
central lake huron tomorrow morning. this will bring widespread
gales to the great lakes. a gale warning is in effect. the low
quickly moves out friday night with high pressure building back
in on saturday.
lhz361-362-130400-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
lake huron from presque isle light to sturgeon point mi beyond
5nm off shore-
400 pm edt thu mar 12 2026
...gale warning in effect from late tonight through late friday
night...
.tonight...west winds 10 to 15 knots decreasing to 5 to 10 knots
late in the evening...then becoming southeast 10 to 15 knots
after midnight increasing to 15 to 20 knots with gusts to 35 knot
gales early in the morning. a chance of snow after midnight. snow
may be heavy at times after midnight. waves 3 to 5 feet subsiding
to 1 to 3 feet after midnight...then building to 6 to 9 feet
early in the morning. waves occasionally around 12 feet.
.friday...east winds to 30 knots increasing to 35 knot gales late
in the morning...then decreasing to 20 to 25 knots in the
afternoon. gusts to 45 knot gales. snow in the morning...then
snow and rain in the afternoon. snow may be heavy at times in the
morning. waves 12 to 16 feet subsiding to 8 to 12 feet late in
the afternoon. waves occasionally around 20 feet.
.friday night...north winds 20 to 25 knots increasing to 30 knots
by midnight...then becoming northwest 20 to 25 knots after
midnight. gusts to 35 knot gales. waves 10 to 14 feet. waves
occasionally around 18 feet.
.saturday...northwest winds 15 to 20 knots with gusts to around
30 knots decreasing to 5 to 10 knots. waves 8 to 12 feet
subsiding to 3 to 5 feet early in the afternoon. waves
occasionally around 15 feet.
.saturday night...north winds 5 to 10 knots veering to the
southeast by midnight...then increasing to 10 to 15 knots after
midnight. waves 1 to 3 feet.
.sunday...east winds 15 to 20 knots becoming northeast at 40 knot
gales with gusts to 45 knot gales. snow likely in the morning.
snow, rain...freezing rain and sleet late in the afternoon. snow
may be heavy at times. waves 4 to 6 feet building to 18 to
23 feet. waves occasionally around 28 feet. a gale warning may be
needed.
.monday...north at 35 knot gales becoming west at 40 knot gales .
rain...snow and freezing rain early in the morning...then a
chance of snow and rain . waves 20 to 25 feet. waves occasionally
around 32 feet.
.tuesday...northwest at 35 knot gales with gusts to 40 knot gales
becoming west 15 to 20 knots. a chance of snow early in the
morning. waves 14 to 18 feet subsiding to 8 to 12 feet . waves
occasionally around 23 feet.
wave heights are for ice free areas.
$$
(4/4)
Latest Great Lakes Marine Forecast by KDTX
Issued 3/12/2026 4:00 PM America/New_York.
Valid through 3/13/2026 12:00 AM America/New_York.
fzus63 kdtx 122000
glflh
expires:202603130400;;561452
open lake forecast for lake huron
national weather service detroit/pontiac mi
400 pm edt thu mar 12 2026
for waters beyond five nautical miles off shore on lake huron
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
.synopsis...a brief ridge of high pressure, 30.10 inches, holds
over the great lakes through the evening. a strong low pressure
system, 29.10 inches, then enters northern lower michigan and
central lake huron tomorrow morning. this will bring widespread
gales to the great lakes. a gale warning is in effect. the low
quickly moves out friday night with high pressure building back
in on saturday.
lhz363-130400-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
400 pm edt thu mar 12 2026
...gale warning in effect from late tonight through late friday
night...
.tonight...west winds 5 to 10 knots becoming southeast 10 to
15 knots after midnight...then increasing to 15 to 20 knots with
gusts to 35 knot gales early in the morning. a chance of snow
after midnight. snow may be heavy at times after midnight. waves
3 to 5 feet subsiding to 1 to 3 feet after midnight...then
building to 5 to 7 feet early in the morning. waves occasionally
around 10 feet.
.friday...southeast winds to 30 knots with gusts to 45 knot gales
becoming southwest 20 to 25 knots with gusts to 35 knot gales in
the afternoon. snow and rain in the morning...then a chance of
rain and snow in the afternoon. waves 10 to 14 feet. waves
occasionally around 18 feet.
.friday night...southwest winds 20 to 25 knots becoming northwest
to 30 knots by midnight...then decreasing to 20 to 25 knots after
midnight. gusts to 40 knot gales. a chance of rain in the
evening. waves 10 to 14 feet. waves occasionally around 18 feet.
.saturday...northwest winds 15 to 20 knots decreasing to 5 to
10 knots. waves 8 to 12 feet subsiding to 3 to 5 feet early in
the afternoon. waves occasionally around 15 feet.
.saturday night...north winds 5 to 10 knots veering to the
southeast by midnight...then increasing to 10 to 15 knots after
midnight. a chance of snow after midnight. waves 1 to 3 feet.
.sunday...east winds 15 to 20 knots increasing to 20 to 25 knots
with gusts to 35 knot gales late in the morning...then increasing
to 30 knots with gusts to 35 knot gales late in the afternoon
becoming northeast at 35 knot gales with gusts to 40 knot gales
late in the evening. snow in the morning...then snow...rain and
freezing rain. snow may be heavy at times. waves 4 to 6 feet
building to 15 to 20 feet. waves occasionally around 25 feet. a
gale warning may be needed.
.monday...south at 35 knot gales veering to the west by midnight.
gusts to 40 knot gales. rain with snow and freezing rain likely
early in the morning...then a chance of snow and rain . waves
15 to 20 feet. waves occasionally around 25 feet.
.tuesday...northwest winds to 30 knots with gusts to 35 knot
gales decreasing to 15 to 20 knots . a chance of snow early in
the morning. waves 14 to 18 feet subsiding to 5 to 7 feet. waves
occasionally around 23 feet.
$$
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